Tag: monitoring

  • Intelligent monitoring with a new general-purpose metrics monitor

    Intelligent monitoring with a new general-purpose metrics monitor

    Intelligent monitoring with a new general-purpose metrics monitor In the database team at CERN, we have developed a general-purpose metrics monitor, a missing part in our next generation monitoring infrastructure. In the implemented metrics monitor, metrics can come from several sources like Apache Kafka, new metrics can be defined combining other metrics, different analysis can

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  • Flame Graphs for Oracle

    Flame Graphs for Oracle

    Flame Graphs for Oracle Topic: This post is a hands-on introduction to using on-CPU Flame Graphs for investigating Oracle workloads. This technique is about collecting and visualizing sampled stack trace data to analyze and troubleshoot Oracle processes at the OS level (in particular applied to Linux). Motivations: The techniques and tools described here can be

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  • A Closer Look at CALIBRATE_IO

    A Closer Look at CALIBRATE_IO

    A Closer Look at CALIBRATE_IO Topic: This blog entry is about investigating Oracle’s DBMS_RESOURCE_MANAGER.CALIBRATE_IO Spoiler: For quantitative analysis of storage performance and in particular for measuring random read I/O in Oracle, I’d rather advise the use tools that allow generating test workloads in a controlled manner, in a way that can be understood and measured

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